首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Children can spend hours a day looking at computer screens and other digital devices. Some eye care professionals say all that s
Children can spend hours a day looking at computer screens and other digital devices. Some eye care professionals say all that s
admin
2014-06-30
81
问题
Children can spend hours a day looking at computer screens and other digital devices. Some eye care professionals say all that screen time has【B1】______an increase in what they call computer vision syndrome.
Nathan Bonilla-Warford is an eye expert in Tampa, Florida, with VSP, Vision Service Plan, a big【B2】______provider. He says he has seen an increase in problems in children. Dr. Bonilla-Warford says part of the problem is that children may be more likely than adults to【B3】______early warning signs. According to Dr. Warfod, even if their eyes start to feel【B4】______or they start to get a headache, children are less likely to tell their parents, because they don’t want to have the game or the computer or whatever【B5】______. He says another part of the problem is that people【B6】______less often when they use digital devices.
The average person who uses a computer or an electronic device blinks about a third as much as we normally do in everyday life. And so that can【B7】______the front part of the eye drying and not staying moist and protected like normal.
Eye doctors offer suggestions like following what is known as the 20/20/20 rule. Every twenty minutes, look away twenty【B8】______or more for at least twenty seconds from whatever device you’re using. Other suggestions include putting more distance between you and the device and using good lighting. Of course, another way to avoid eye【B9】______is to spend less time looking at screens. Many experts say children should spend no more than two hours a day using【B10】______devices—with no screen time for children under two.
【B8】
Children can spend hours a day looking at computer screens and other digital devices. Some eye care professionals say all that screen time has(26)led to an increase in what they call computer vision syndrome.
Nathan Bonilla-Warford is an eye expert in Tampa, Florida, with VSP, Vision Service Plan, a big(27)insurance provider. He says he has seen an increase in problems in children. Dr. Bonilla-Warford says part of the problem is that children may be more likely than adults to(28)ignore early warning signs. According to Dr. Warfod, even if their eyes start to feel(29)uncomfortable or they start to get a headache, children are less likely to tell their parents, because they don’t want to have the game or the computer or whatever(30)taken away. He says another part of the problem is that people(31)blink less often when they use digital devices.
The average person who uses a computer or an electronic device blinks about a third as much as we normally do in everyday life. And so that can(32)result in the front part of the eye drying and not staying moist and protected like normal.
Eye doctors offer suggestions like following what is known as the 20/20/20 rule. Every twenty minutes, look away twenty(33)feet or more for at least twenty seconds from whatever device you’re using. Other suggestions include putting more distance between you and the device and using good lighting. Of course, another way to avoid eye(34)strain is to spend less time looking at screens. Many experts say children should spend no more than two hours a day using(35)digital devices—with no screen time for children under two.
选项
答案
feet
解析
空格位于数词twenty后,应填入量词。feet意为“英尺”。
转载请注明原文地址:https://kaotiyun.com/show/U417777K
0
大学英语六级
相关试题推荐
Astrolltoschoolinthemorningcanhelpkidsprepareforthestressesthatawaitthemintheclassroom.They’llhaveless【C1】
Thejobofraisingchildrenisatoughone.Childrendon’tcomewithaninstruction【C1】______.Andeachchildisdifferent.Sop
Thejobofraisingchildrenisatoughone.Childrendon’tcomewithaninstruction【C1】______.Andeachchildisdifferent.Sop
Thejobofraisingchildrenisatoughone.Childrendon’tcomewithaninstruction【C1】______.Andeachchildisdifferent.Sop
Thejobofraisingchildrenisatoughone.Childrendon’tcomewithaninstruction【C1】______.Andeachchildisdifferent.Sop
Thejobofraisingchildrenisatoughone.Childrendon’tcomewithaninstruction【C1】______.Andeachchildisdifferent.Sop
FiveEco-crimesWeCommitEveryDayAskyourselfthis:howgreenamIreally?Youmightthinkyouaredoingyourbitforthe
Whenitcomesto______(帮妻子干家务活儿),Johnnevercomplains.
ThinkorSwim:CanWeHoldBacktheOceans?Astheworldgetswarmer,sealevelsarerising.Ithasbeenhappeningatasnai
随机试题
某年某月某日,某铁矿发生火灾事故,由于该矿和临矿互通,火灾共涉及5个铁矿,造成上百人被困井下。经多方抢救,遇难矿工人数仍达70人。随即成立了国务院事故调查组,调查组由国家安全生产监督管理总局、监察部、全国总工会、国土资源部、省人民政府联合组成,分为综合、技
用人单位、工伤职工或者其直系亲属骗取工伤保险待遇,医疗机构、辅助器具配备机构骗取工伤保险基金支出的,由劳动保障行政部门责令退还,并处骗取金额()的罚款;情节严重,构成犯罪的,依法追究刑事责任。
高压开关设备中最重要、最复杂的开关设备是()。
对作业技术活动结果不合格的处理,要做到()。
管道系统在试压前,管道上的膨胀节应按试验要求()。
应税消费品计税价格明显偏低又无正当理由的,税务机关有权核定其计税价格,核定权限包括()。
某中外合资经营企业注册资本为6000万美元,合同约定分两次投入,约定折算汇率为1:7.0。中、外投资者分别于2011年1月1日和3月1日投入2000万美元和4000万美元。2011年1月1日、3月1日、3月31日和12月31日美元对人民币的汇率分别为1:6
杭州是我国著名的七大古都之一,杭州开始设县始于()朝。
墨菲定律是工程师爱德华·墨菲作出的著名论断,主要内容是:事情如果有变坏的可能,尽管这种可能性偏小,但它偏偏会发生。根据上述定义,下列没有反映墨菲定律的是:
设,讨论f(x)的连续性。
最新回复
(
0
)